. >>> a woman in her 80s used a gun to confront an intruder inside her richmond home and tonight we are hearing the 911 call that followed. robert reynolds on what happened after the gun went off. >> 911, where is your emergency? >> 911 dispatchers are accustomed to callers in distress. but the cry coming from this modest richmond home took on a particular urgency. >> what's going on there? >> i caught somebody in the house. broke the door down. >> we're protecting her identity because the frightened woman on the other end of that call is 84 years old and as the 911 dispatcher learned, all alone. >> nobody was here but me. >> but this was her flee or fight moment and she chose to fight. >> i remember seeing a man in the hall and i went and got my gun. >> she slept with this 38 revolver at her bedside for two decades. sunday night was the first time she had to pick it up. stripped this brazen burglar of all bravado. >> listen to me, is he still there? >> no. they are gone, so i shot at them. >> you shot at them? >> the situation was a reasonable thing to do. she was terrified of this int